FARKYA, Sunita; BHADURI, Indrani; GARG, Rachna; SRIVASTAVA, Ashish Kumar; TRIPATHI, B. K. REFINEMENT OF MULTIPLE CHOICE ITEMS USING DIFFICULTY INDEX AND DISCRIMINATION POWER FOR ASSESSING MIDDLE STAGE LEARNERS’ ATTAINMENT IN SCIENCE. SCHOOL SCIENCE, [S. l.], v. 57, n. 1, p. p. 72–89, 2026. Disponível em: https://ejournals.ncert.gov.in/index.php/SS/article/view/5189. Acesso em: 21 sep. 2026.